User interface for a radio telephone

摘要

A radiophone comprising a display for displaying data and key means for scrolling data on the display; the key means having first and second portions which are mutually offset vertically and horizontally wherein depression of the first portion of the key means actuates a first scrolling action and depression of a second portion of the key means actuates a second scrolling action, wherein the first portion is to the right of the second portion and closer to the top of the handset such that a user holding the handset in a right hand can depress the first and second portions with a thumb of the right hand by merely pivotally moving the thumb in an arc about a socket of the thumb and without significant unnatural extension of the thumb.